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just a quick socket question

post #1 of 6
Thread Starter 
ok- whats with the pins? i meen amd needs just over 900 for an 8 core. but intel needs over 1300 minium for a 6core?? socket 2011 is supposed to scale up to 10cores, but thats over 2000 pins. even with the fewer mem channals, im having a hard time seeing amd cram 10 and 12 core steamroller/excavator procs down the same old 900 whatever pins. please help me get this fixed-im cinfused. also. how does fm1 have about the same pins as am3 but cram a proc AND a gpu down there?
post #2 of 6
okay you are really looking in the wrong place for that answer, get a phd in nano tech, seriously. I dont want to sound mean or anything but it all has to do with how each company designs the processor ( if you notice intel hauls ass in most amd vs intel cpu horsepower battles). Why does it matter anyways?
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post #3 of 6
Thread Starter 
Just wondering, and btw amds apu kick intels butt constantly for many builds. And it really shouldnt be that hard, intels pin numbers make sense, reguler with igpu and two mem channals has about 1150 pins, give or take. Three channls gives you 1366 pins, and four gives you 2011. What dosnt make sense is when you factor in amd. The apus use less pins then intel while cramming a cpu and ten times the gpu down there.
post #4 of 6
Number of pins/pads needed depends on the I/O and the power requirements, not the number of cores. GPU capabilities don't really matter either, as only the display output needs extra pins, and even then only a handful.

LGA-2011 has CPUs that scale up to 150w TDP, so many power and ground pins are needed.

LGA-2011 has an integrated 40 lane PCI-E 3.0 controller, so needs 40 lanes worth of PCI-E signaling pins going directly to the CPU.

LGA-2011 has an 8 lane PCI-E 2.0 DMI controller for connecting to a PCH, so it needs pins for that too.

LGA-2011 supports CPUs with two QPI buses, so needs two QPI buses worth of pins for communicating with other CPUs in multi-socket setups.

You've already mentioned the extra pins needed for quad channel memory.

Neither AM3 or FM1 have any where near this kind of I/O support.
Edited by Blameless - 4/2/12 at 5:16am
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post #5 of 6
Thread Starter 
Thank you.... That sums it up nicely
post #6 of 6
Quote:
Originally Posted by jrl1357 View Post

Just wondering, and btw amds apu kick intels butt constantly for many builds. And it really shouldnt be that hard, intels pin numbers make sense, reguler with igpu and two mem channals has about 1150 pins, give or take. Three channls gives you 1366 pins, and four gives you 2011. What dosnt make sense is when you factor in amd. The apus use less pins then intel while cramming a cpu and ten times the gpu down there.

Thats the spirit
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